directly Turbotax can't help. the IRS says you entered a number while it has a different number. Turbotax has no way of knowing if you made the error or it's an IRS error
you can use the following services for a fee unless you purchased audit defense
The Audit Defense service is provided by TaxResources, Inc., also called TaxAudit.com, in partnership with TurboTax. If you paid for Audit Defense and you received an IRS notice, call TaxResources, Inc. at 877-829-9695, or report your IRS notice on their website at http://intuit.taxaudit.com/. Do not contact the IRS until you have spoken to TaxResources. They may contact the IRS on your behalf.